Main contractors in the UK

20744 UK companies working as main contractors.

• A Alpha Migss Ilford · Refurbishment

  Alpha Migss offers bespoke property refurbishment, extensions, and loft conversions in London. Specialising in kitchens, bathrooms, and living spaces,

• A Alpha Omega London Construction Services Ltd St. Albans · Concrete works

  Alpha Omega London Construction Services Ltd is a new construction company based in St. Albans.

• A Alpha Projects (Scotland) Ltd Dundee · Main contractor · 50-249 employees

  Alpha Projects is a multi-trade principal contractor providing construction services across the north east of Scotland.

• A Alpha Property Development (Scotland) Ltd Musselburgh · Extensions

  Alpha Property Development specialises in extensions, renovations, and bespoke craftsmanship in Musselburgh, transforming homes with high-quality carp

• A Alpha Renovations Ltd Cheltenham · Refurbishment · 1-9 employees

  Leading general building company in Cheltenham specialising in home renovations, remodel projects and property improvements. Expert contractors managi

• A Alpha Roof Specialists Ltd Ascot · Roofing

  Fully insured & approved roofers in Surrey offering 24/7 emergency repairs, roof installations & free inspections. 15+ years experience with workmansh

• A Alpha Roofing And Building Edinburgh Ltd Edinburgh · Roofing

  Professional roofing and building services across Edinburgh, the Lothians and Scottish Borders. Quality workmanship, reliable service and free quotes.

• A Alpha Roofing Services Ltd Lowestoft · Roofing

  Lowestoft based Alpha Roofing Services Ltd. provides a first class roofing installation & repair services for a variety of roof types throughout Norfo

• A Alpha Services (Plymouth) Ltd Plymouth · Electrical

  Experienced Electrical Contractors based in Plymouth, offering domestic, industrial, and commercial electrical installations, maintenance, and 24/7 em

• A Alpha Surfacing Ltd Merseyside · Road surfacing

  Alpha Surfacing is a leading family-run company for Tarmac and Asphalt surfacing in Liverpool, Warrington and Merseyside. Over 35 years of experience.

• A Alpha Windows Portland Ltd Weymouth · Windows & doors

  Alpha Windows Portland offers uPVC double and triple glazing windows, composite and uPVC doors, and conservatories in Portland, Weymouth, and Dorset.

• A Alpha-C Engineering Ltd Middlesbrough · M&E contracting

  Alpha-C Engineering Ltd offers expert mechanical, electrical, and plumbing engineering services, specializing in project management and home renovatio

• A Alpine Building Services Ltd Bexleyheath · Refurbishment · 1-9 employees

  Alpine Building Services has over 10 years of experience in residential and commercial projects, offering high standards of work and professionalism a

• A Alpine Construction Essex Ltd Southend-On-Sea · Main contractor

  Alpine Construction is a trusted principal contractor in Southend-on-Sea, Essex, specialising in insurance reinstatement works, commercial and residen

• A Alpine Decking St. Agnes · Carpentry & joinery

  Alpine Decking offer a complete decking service, from design concept to construction, creating unique and beautiful outdoor living spaces.

• A Alpine Demolition Ltd Sittingbourne · Demolition

  Alpine Demolition Ltd is an established, highly capable and competent demolition and decommissioning specialist with over 100 years of collective expe

• A Alpine Driveways And Drainage Ltd Ruislip · Driveways & paving

  Alpine Driveways & Drainage Limited offers comprehensive paving, drainage, and roofing services across London. With over 40 years of combined experien

• A Alpine Mi Ltd London · Fit-out & interiors

  Alpine MI is a commercial fit-out and residential construction company based in London, delivering high-quality spaces with a programme-led, in-house

• A Alpine Preservations Ltd Henfield · Damp proofing

  Established for over 40 years, Alpine Preservations Ltd are experts in damp proofing, timber preservation and basement waterproofing, serving Surrey,

• A ALPINE SUMMIT ROOFING LTD Nuneaton · Roofing

  Alpine Summit Roofing is a professional and trusted roofing team with over 12 years of experience, committed to delivering outstanding results. Specia

• A Alpine Window Systems Ltd. Shildon · Windows & doors · 10-49 employees

  Alpine Window Systems Ltd, based in Shildon, County Durham, specialises in the design, manufacturing, and installation of PVCu windows, doors, and con

• A Alpine Works Ltd London · M&E contracting · 10-49 employees

  Alpine Works offers a comprehensive mechanical and electrical service and has built an enviable reputation within the construction and building facili

• A ALS Civil & Mechanical Engineers Ramsgate · Utilities · 10-49 employees

  ALS Civil & Mechanical Engineers is a trusted contractor with nearly 60 years of experience in Utilities, Highways, Rail, and Groundworks. Based in Ke

• A Alshameri Builders Ltd Nottingham · Bricklaying

  Alshameri Builders offers expert bricklaying, plastering, plumbing, painting, tiling, fencing, loft conversions, and kitchen & bathroom fitting servic

• A Alstom Transport UK Ltd Derby · Rail infrastructure

  Alstom is a global leader in sustainable mobility, developing and marketing integrated transport systems. They focus on greener and smarter transporta

• A Alston Country Homes Ltd Peterborough · House builder · 1-9 employees

  Alston Country Homes specialises in creating individual homes with style and character using materials and cutting edge building technology. Quality a

• A Alstruct Ltd London · Extensions

  London's trusted construction company for house extensions, loft conversions, home renovations and basement conversions. Free quotes across all London

• A Altair Construction & Development Ltd Stonehaven · Main contractor · 1-9 employees

  Altair Construction & Development Ltd is a construction and development company based in Scotland. We offer a range of services for residential and co

• A Altar Construction Ltd London · Extensions

  Altar Construction: Your trusted builder for extensions, new builds & renovations in Herts. Start your project today!

• A Alteo Builders Ltd Romford · Landscaping

  Alteo Builders Ltd offers a comprehensive range of building and renovation services across London and surrounding areas, specializing in transforming

• A Alter Fitout Ltd London · Design & build

  Alter Fitout Ltd. is a design and build company specialising in construction, refurbishment and fit-out turn key solutions for commercial and resident

• A Alterego Building Projects Ltd London · Design & build · 1-9 employees

  AlterEgo Projects is a West London design and construction company offering comprehensive building services. With over 25 years of experience, they sp

• A Alternative Heat Ltd Banbridge · Modular & offsite construction · 1-9 employees

  Alternative Heat Ltd. are leading suppliers and installers of Offsite Fabrication solutions, specialising in Prefabricated MEP Solutions across the UK

• A Altertherm Facilities Ltd Stockport · Main contractor · 10-49 employees

  AlterTherm is a nationwide principal contractor with over 20,000 hotel bedrooms completed. They specialise in working within live buildings for blue-c

• A ALTIOR CONSTRUCTION LTD Hereford · Main contractor · 1-9 employees

  Herefordshire based general builders with a strong reputation for high quality work. Specialising in extensions, renovations, and general maintenance.

• A Altitude Building Solutions Ltd London · Refurbishment

  High End Construction and Luxury Decor services. We offer a one-stop shop experience for all our customers property needs, from design to completion.

• A Altitude Services Ltd Burnley · Electrical · 50-249 employees

  Altitude Services specialise in Street Lighting and External Lighting, from design to installation and maintenance in England and Wales.

• A ALTO LANDSCAPES London · Landscaping

  Alto Landscapes offers expert landscaping, building, refurbishment, and maintenance services for residential and commercial projects across the UK. Cr

• A Alto Roofing And Cladding Ltd Exeter · Roofing

  The complete industrial roofing, cladding and refurbishment solution. Based in Exeter, Devon, we serve customers across the South of England.

• A Altor Construction Ltd Leeds · Main contractor

  Altor Construction Ltd is a privately-owned company operating throughout the UK with Head Office being based in Leeds. Established in March 2021.

• A Altree Joinery Ltd Isle Of Skye · Carpentry & joinery · 1-9 employees

  Altree Joinery Ltd offers a wide range of building services on the Isle of Skye, earning a reputation for quality work delivered on time and at a fair

• A Altro Builders Ltd London · Extensions

  ALTROBUILDERS LTD, Trusted construction company in London, specialising in extensions, loft conversions, renovations, and bespoke builds.

• A Altun Property Consultants UK Ltd Waltham Cross · Main contractor

  Altun Property Consultants is an Enfield-based principal contractor offering full turnkey solutions to residential and commercial clients. We handle p

• A Alushi Ltd London · Refurbishment · 1-9 employees

  Alushi Ltd is a London-based construction company specializing in residential refurbishments, loft conversions, extensions, and general building servi

• A Alutech Roofing And Renovations Ltd London · Roofing

  Alutech Roofing And Renovations Ltd offers comprehensive roofing solutions for residential and commercial properties in London, Surrey, and Sussex. Sp

• A Alvadac Ltd Huddersfield · Roofing

  Alvadac is a Yorkshire-based family-run EPDM flat roofing supplier and installer with over 20 years of experience. We offer high-quality materials and

• A Alvaston Loft Conversions Ltd Bloxwich, Walsall · Loft conversions · 10-49 employees

  Alvaston Loft Conversions specialise in loft conversions and home extensions for domestic customers across Staffordshire and the West Midlands.

• A Alverstone Loft Conversions Ltd Newport · Loft conversions · 1-9 employees

  Alverstone Loft Conversions Ltd is a well-regarded building company on the Isle of Wight, offering bespoke building, conversion, and roofing services

• A Alves Construction Ltd Croydon · Refurbishment · 1-9 employees

  Alves Construction is a family-run business with extensive experience in transforming houses into dream homes in South London. We blend traditional ch

• A Alwakel Ltd Epsom · Refurbishment

  Alwakel LTD is a family-run construction business specialising in refurbishments, new builds and maintenance. We pride ourselves in providing the high